Message: The following issue has been reopened.
--------------------------------------------------------------------- View the issue: http://issues.apache.org/jira/browse/HIVEMIND-44 Here is an overview of the issue: --------------------------------------------------------------------- Key: HIVEMIND-44 Summary: Race Conditions in Construction of Threaded Service Type: Bug Status: Reopened Priority: Major Project: HiveMind Components: framework Versions: 1.0 Assignee: Howard M. Lewis Ship Reporter: Harald Meyer Created: Thu, 12 Aug 2004 11:03 AM Updated: Fri, 3 Sep 2004 11:08 AM Environment: J2SDK 1.4.2, Windows XP, Eclipse, Log4J Description: Basically the problem occours when two threads simultaneously construct instances of threaded service. You can reconstruct the bug, by creating 10-20 threads in a for loop, and let each of this threads call the threaded service. A stack trace similar to this should appear: org.apache.hivemind.ApplicationRuntimeException: Unable to construct service Service.ThreadedService1: org.apache.hivemind.ApplicationRuntimeException at org.apache.hivemind.impl.servicemodel.ThreadedServiceModel.constructServiceForCurrentThread(ThreadedServiceModel.java:162) at org.apache.hivemind.impl.servicemodel.ThreadedServiceModel.getServiceImplementationForCurrentThread(ThreadedServiceModel.java:139) at $ThreadedProxy_fe54269949_6._service($ThreadedProxy_fe54269949_6.java) at $ThreadedProxy_fe54269949_6.foo($ThreadedProxy_fe54269949_6.java) at testing.bugs.TestCase1$1.run(TestCase1.java:50) As this is time-critical problem it does not always happen. My observation is that the longer the construction of the service takes (e.g. a lot of (at least 3-4) service properties) the more likely the problem occours. It also "helps" to have logging at debug level. If neccessary I've got source code to reproduce the problem (but with SDL module descriptors). The same problem occours with pooled service module, too. To fix this I guess constructServiceForCurrentThread() should be synchronized. From looking at the source code of getServiceImplementationForCurrentThread it seems like it has to be synchronized, too. --------------------------------------------------------------------- JIRA INFORMATION: This message is automatically generated by JIRA. If you think it was sent incorrectly contact one of the administrators: http://issues.apache.org/jira/secure/Administrators.jspa If you want more information on JIRA, or have a bug to report see: http://www.atlassian.com/software/jira --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
